Fill in the Blanks Periodic Table QuestionsOnline version Fill in the gaps of your periodic table by Murray Smith 1 2 metallic non protons Halogens metals Noble Alkali metallic Periods 12 bottom 3 non Gases metals In the Periodic Table the vertical columns are called Groups and the horizontal rows are called . The elements in Group 1 are called the metals . Group 17 contains the elements called the . Group 18 contains the elements called the . The elements in group are called the Alkaline Earth metals . The Transition Metals are found in the area from group to group . Metalloids are elements that have some and some properties . Elements to the left of the metalloids are the and to the right are the . Elements with small light atoms are found at the top of the Periodic Table while large heavier atoms are found at the . The Periodic Table is organised in order of the number of in the nucleus of the atoms of each element .